JP7500280B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

Info

Publication number
JP7500280B2
JP7500280B2 JP2020095756A JP2020095756A JP7500280B2 JP 7500280 B2 JP7500280 B2 JP 7500280B2 JP 2020095756 A JP2020095756 A JP 2020095756A JP 2020095756 A JP2020095756 A JP 2020095756A JP 7500280 B2 JP7500280 B2 JP 7500280B2
Authority
JP
Japan
Prior art keywords
potential
charging
bias
developing
region
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2020095756A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021189343A (ja
JP2021189343A5 (enrdf_load_stackoverflow
Inventor
孝平 岡安
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2020095756A priority Critical patent/JP7500280B2/ja
Priority to US17/332,473 priority patent/US11644766B2/en
Publication of JP2021189343A publication Critical patent/JP2021189343A/ja
Publication of JP2021189343A5 publication Critical patent/JP2021189343A5/ja
Application granted granted Critical
Publication of JP7500280B2 publication Critical patent/JP7500280B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/065—Arrangements for controlling the potential of the developing electrode
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0266—Arrangements for controlling the amount of charge
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/1665—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat
    • G03G15/167—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer
    • G03G15/1675—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer with means for controlling the bias applied in the transfer nip
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G13/00—Electrographic processes using a charge pattern
    • G03G13/22—Processes involving a combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G13/24—Processes involving a combination of more than one step according to groups G03G13/02 - G03G13/20 whereby at least two steps are performed simultaneously
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5004—Power supply control, e.g. power-saving mode, automatic power turn-off

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Developing For Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
JP2020095756A 2020-06-01 2020-06-01 画像形成装置 Active JP7500280B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020095756A JP7500280B2 (ja) 2020-06-01 2020-06-01 画像形成装置
US17/332,473 US11644766B2 (en) 2020-06-01 2021-05-27 Image forming apparatus that controls voltages to reduce image fogging

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020095756A JP7500280B2 (ja) 2020-06-01 2020-06-01 画像形成装置

Publications (3)

Publication Number Publication Date
JP2021189343A JP2021189343A (ja) 2021-12-13
JP2021189343A5 JP2021189343A5 (enrdf_load_stackoverflow) 2023-06-02
JP7500280B2 true JP7500280B2 (ja) 2024-06-17

Family

ID=78706048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020095756A Active JP7500280B2 (ja) 2020-06-01 2020-06-01 画像形成装置

Country Status (2)

Country Link
US (1) US11644766B2 (enrdf_load_stackoverflow)
JP (1) JP7500280B2 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023058347A (ja) * 2021-10-13 2023-04-25 コニカミノルタ株式会社 画像形成装置及びかぶりマージン決定方法
JP2023074988A (ja) * 2021-11-18 2023-05-30 キヤノン株式会社 画像形成装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002149030A (ja) 2000-08-29 2002-05-22 Konica Corp 画像形成装置
JP2002244456A (ja) 2001-02-19 2002-08-30 Canon Inc 画像形成装置
JP2006003886A (ja) 2004-05-20 2006-01-05 Canon Inc 画像形成装置
JP2007132987A (ja) 2005-11-08 2007-05-31 Konica Minolta Business Technologies Inc 画像形成装置及びカブリ制御方法
JP2007148227A (ja) 2005-11-30 2007-06-14 Konica Minolta Business Technologies Inc 画像形成装置及びプログラム
JP2009122464A (ja) 2007-11-15 2009-06-04 Fuji Xerox Co Ltd 画像形成装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3221045B2 (ja) * 1992-04-03 2001-10-22 キヤノン株式会社 画像形成装置
JP2003066697A (ja) * 2001-08-24 2003-03-05 Canon Inc 現像装置及びこの現像装置を備える画像形成装置
JP5650369B2 (ja) 2008-01-31 2015-01-07 株式会社リコー 画像形成装置及び画像形成方法
JP2010204322A (ja) 2009-03-03 2010-09-16 Kyocera Mita Corp 画像形成装置
JP5958184B2 (ja) 2012-08-27 2016-07-27 ブラザー工業株式会社 画像形成装置
JP6221976B2 (ja) 2014-07-23 2017-11-01 京セラドキュメントソリューションズ株式会社 画像形成装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002149030A (ja) 2000-08-29 2002-05-22 Konica Corp 画像形成装置
JP2002244456A (ja) 2001-02-19 2002-08-30 Canon Inc 画像形成装置
JP2006003886A (ja) 2004-05-20 2006-01-05 Canon Inc 画像形成装置
JP2007132987A (ja) 2005-11-08 2007-05-31 Konica Minolta Business Technologies Inc 画像形成装置及びカブリ制御方法
JP2007148227A (ja) 2005-11-30 2007-06-14 Konica Minolta Business Technologies Inc 画像形成装置及びプログラム
JP2009122464A (ja) 2007-11-15 2009-06-04 Fuji Xerox Co Ltd 画像形成装置

Also Published As

Publication number Publication date
JP2021189343A (ja) 2021-12-13
US20210373453A1 (en) 2021-12-02
US11644766B2 (en) 2023-05-09

Similar Documents

Publication Publication Date Title
JP4663814B2 (ja) 画像形成装置
JP5188339B2 (ja) 画像形成装置
US8041244B2 (en) Image forming apparatus
US7844200B2 (en) Image forming apparatus with a pre-exposure light control feature
JP7500280B2 (ja) 画像形成装置
KR20130069434A (ko) 현상 장치, 및 현상 장치의 제어 방법
US10394156B2 (en) Image formation apparatus controlling charging voltage and development voltage
JP2016057580A (ja) 画像形成装置
JPH09101657A (ja) 画像形成装置の制御方法
JP4532879B2 (ja) 画像形成装置
JP2010102074A (ja) 画像形成装置
JP2009115856A (ja) 画像形成装置
JP2005189494A (ja) 画像形成装置
JP7115198B2 (ja) 画像形成装置
JP5097602B2 (ja) 画像形成装置
JP2021071539A (ja) 画像形成装置
JP5328470B2 (ja) 画像形成装置
US8874014B2 (en) Image forming apparatus
JP2010151981A (ja) 画像形成装置
JP2004170827A (ja) 画像形成装置の現像装置
JP2008309973A (ja) 画像形成装置
JP6589889B2 (ja) 画像形成装置
JP6627797B2 (ja) 画像形成装置
JP2024010633A (ja) 画像形成装置
JP2007148165A (ja) 画像形成装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230524

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230524

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20240214

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240220

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240416

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240507

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240605

R150 Certificate of patent or registration of utility model

Ref document number: 7500280

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150